﻿#region Copyright
// Copyright (c) 2011-2012 RaisingForce Team (Alikin Sergey)
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Diagnostics.Contracts;

namespace RaisingForce.RaiseHardwareTest.ViewModel.MainStates
{
    sealed internal class ConnectedState :
        MainState
    {
        #region Constructors

        public ConnectedState(string statusText)
            : base(statusText, isConnected: true)
        {
            Contract.Requires(statusText != null);
        }

        #endregion

        #region Base Overrides

        public override void DisconnectHardware(
            MainViewModel viewModel,
            MainViewModelData viewModelData)
        {
            base.DisconnectHardware(viewModel, viewModelData);
            viewModelData.SetState(MainStateKeys.Disconnecting);
            try
            {
                viewModelData.Hardware.Disconnect();
                viewModelData.SetState(MainStateKeys.Disconnected);
            }
            catch (OutOfMemoryException)
            {
                throw;
            }
            catch (Exception)
            {
                viewModelData.SetState(MainStateKeys.Connected);
                throw;
            }
        }

        #endregion
    }
}
